It typically means what are you down to do, sometimes referred to as a sexual term.

Her: “I like you
Him: “alright so what you on
by Onroad militant April 24, 2019
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basically asking what you are about to get your self in to
Man i'm about to be on some freaky type shit
thats what you on
by Te-Te Baby September 23, 2006
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The iconic Shakespeare insult that shook tha nation. Egg meaning egg.
Ever been stabbed by a person or thought of stabbing another? Well I’ve got the thing for you!

Mom: Not my son!!!!! :0
Intruder: What, you egg?! :<
Son: Nooooo :(
by Handymany;) May 28, 2018
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A Greeting originating from the Kirk Hallam region of Derbyshire England. It is often used in place of hello and what's up.
Cameron: oi bruv what you chewing?

Tyrone:not much bro.
by DATSLANGMAN January 12, 2016
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An insult given to a child before their brutal Shakespearean murder
Murderer 1: "What you egg?"

*Stabs him*

"Mother, he hath killed me, run i prey you!"

by Bald Martin II October 24, 2019
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